Is CVE-2020-20746 actively exploited?

No active exploitation of CVE-2020-20746 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-20746 be exploited remotely?

Yes. CVE-2020-20746 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-20746?

CVE-2020-20746 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2020-20746

HIGH

CVE-2020-20746

CWE-787Published: September 30, 2021· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official Description

A stack-based buffer overflow in the httpd server on Tenda AC9 V15.03.06.60_EN allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via a crafted POST request to /goform/SetStaticRouteCfg.

NVD Source

Technical Analysis

CVE-2020-20746 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.